Time Left:
600
sec
1. Jute fibres are obtained from the
A. Pith
B. Endodermis
C. Xylem
D. Secondary phloem
2. Which of the following contributes the most to water conduction in plants?
A. Xylem vessels
B. Trachea
C. Sieve tubes
D. Sieve cells
3. Intercalary meristem leads in
A. Secondary thickening
B. Primary growth
C. Apical growth
D. Secondary over growth
4. Fascicular, interfascicular and extrastellar cambium together constitute
A. Lateral meristem
B. Primary meristem
C. Intercalary meristem
D. Apical meristem
5. The long plants are capable of standing erect due to the presence of
A. Prosenchyma
B. Parenchyma
C. Sclerenchyma
D. Collenchyma
6. Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is
A. Collenchyma
B. Xylem
C. Epidermis
D. Sclerenchyma
7. Which of the following is nucleated?
A. Tracheid
B. Vessel
C. Sieve cell
D. Companion cell
8. Radial conduction of water takes place by
A. Ray parenchyma cells
B. Vessels and tracheids
C. Phloem
D. Vessels
10. At maturity, which of the following is non-nucleated?
A. Cortical cell
B. Companion cell
C. Palisade cell
D. Sieve cell
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